Plan B, I am going to fill a container with E10 petrol and insert cut off fuel hose different types of rubber hose some brass fittings and some soldered tin plus assorted "O" rings, put a lid on the container and leave it in my shed , I will keep checking to see if anything deteriorates.
David Byrne
You need to introduce some moisture into that if your test tank is sealed, as that's the problem with E as it's hygroscopic, and this (allegedly) increases corrosion and bi-metallic corrosion to mixed metals
